--- version: rssac002v3 service: i.root-servers.net start-period: '2022-03-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6964549460 dns-udp-queries-received-ipv6: 1806229902 dns-tcp-queries-received-ipv4: 731097602 dns-tcp-queries-received-ipv6: 94550207 dns-udp-responses-sent-ipv4: 6049139490 dns-udp-responses-sent-ipv6: 1698500483 dns-tcp-responses-sent-ipv4: 732741030 dns-tcp-responses-sent-ipv6: 76991665